Fredericktown Post Office

Post office

155 S Main St, Fredericktown, MO 63645

By appointment. Please call 573-783-2446.

Appointment required

Hours and addresses come from the State Department listing, updated November 2, 2026.

Book at USPS Directions Facilities in Fredericktown Facilities in Missouri

Fredericktown Post Office accepts new U.S. passport applications in person in Fredericktown, MO. First-time and child visits are booked on the USPS scheduler. Search ZIP 63645. How to apply · How to renew